There have been many forms and iterations of these auras and they can be quite good
Maybe you realized this on an old card and thought, hmm thats cool, maybe you have never known this and this thread presents new information, or maybe youve known about this for awhile, regardless, I present to you all known* animals in Pokmon cards: Bulbasaur / Base Set - bug Magikarp / Base Set - worm Spearow / Jungle - worm Venonat / Jungle - wasp Eevee / Jungle - butterfly Weepinbell / Jungle - bird Exeggutor / Jungle - crab Psyduck / Fossil - fish Oddish / Rocket - frog Slowpoke / Rocket - fish and butterfly Magikarp / Rocket - fish/porpoises Squirtle / Vending - butterfly Super Rod / Neo Genesis - shark
Additionally, around this time monsters got powerful enough that a trap card would be less impactful
Thunder Dragon is much more viable in Master Duel thanks to its different banlist from the TCG
The Scarab god helps to finish the game by draining your opponent's life equal to the number of zombies you have, while also allowing you to scry and find your most powerful cards more quickly
Even Leonard's opponent, knowing full well he's about to lose, gets caught up in it, laughing and clapping as Exodia comes together